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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#780296	#8682. Waterworld	ucup-team5217^#	AC ✓	98ms	3964kb	C++23	473b	2024-11-25 09:46:36	2024-11-25 09:46:38

Judging History

你现在查看的是最新测评结果

[2024-11-25 09:46:38]
评测

测评结果：AC
用时：98ms
内存：3964kb

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[2024-11-25 09:46:36]
提交

answer

#include <bits/stdc++.h>
using namespace std;
using ld= long double;
void solve(void) {
    int n,m;
    cin>>n>>m;
    ld res=0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            ld num;cin>>num;
            res+=num;
        }
    }
    res/=(n*m);
    cout<<setprecision(12)<<res<<'\n';

    return;
}

int main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);

    int _ = 1;
    while (_--) solve();

    return 0;
}

Source code, Language: C++23

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3668kb

input:

2 2
41 65
31 41

output:

44.5

result:

ok found '44.5000000', expected '44.5000000', error '0.0000000'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3856kb

input:

2 3
41 65 31
41 19 15

output:

35.3333333333

result:

ok found '35.3333333', expected '35.3333333', error '0.0000000'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3896kb

input:

2 4
41 65 31 41
19 15 72 11

output:

36.875

result:

ok found '36.8750000', expected '36.8750000', error '0.0000000'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3836kb

input:

output:

35.3333333333

result:

ok found '35.3333333', expected '35.3333333', error '0.0000000'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3944kb

input:

output:

41.4444444444

result:

ok found '41.4444444', expected '41.4444444', error '0.0000000'

Test #6:

score: 0

Accepted

time: 0ms

memory: 3836kb

input:

3 4
41 65 31 41
19 15 72 11
78 69 37 23

output:

41.8333333333

result:

ok found '41.8333333', expected '41.8333333', error '0.0000000'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3960kb

input:

output:

36.875

result:

ok found '36.8750000', expected '36.8750000', error '0.0000000'

Test #8:

score: 0

Accepted

time: 0ms

memory: 3796kb

input:

output:

41.8333333333

result:

ok found '41.8333333', expected '41.8333333', error '0.0000000'

Test #9:

score: 0

Accepted

time: 0ms

memory: 3848kb

input:

4 4
41 65 31 41
19 15 72 11
78 69 37 23
29 63 75 4

output:

42.0625

result:

ok found '42.0625000', expected '42.0625000', error '0.0000000'

Test #10:

score: 0

Accepted

time: 94ms

memory: 3852kb

input:

998 999
41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 57...

output:

49.9610823248

result:

ok found '49.9610823', expected '49.9610823', error '0.0000000'

Test #11:

score: 0

Accepted

time: 94ms

memory: 3904kb

input:

1000 1000
41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 ...

output:

49.960509

result:

ok found '49.9605090', expected '49.9605090', error '0.0000000'

Test #12:

score: 0

Accepted

time: 93ms

memory: 3848kb

input:

1000 999
41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 5...

output:

49.9593823824

result:

ok found '49.9593824', expected '49.9593824', error '0.0000000'

Test #13:

score: 0

Accepted

time: 94ms

memory: 3856kb

input:

999 1000
41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 5...

output:

49.9593823824

result:

ok found '49.9593824', expected '49.9593824', error '0.0000000'

Test #14:

score: 0

Accepted

time: 29ms

memory: 3848kb

input:

687 598
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

output:

result:

ok found '0.0000000', expected '0.0000000', error '-0.0000000'

Test #15:

score: 0

Accepted

time: 43ms

memory: 3904kb

input:

868 495
100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 ...

output:

result:

ok found '100.0000000', expected '100.0000000', error '0.0000000'

Test #16:

score: 0

Accepted

time: 93ms

memory: 3900kb

input:

989 999
49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 4...

output:

result:

ok found '49.0000000', expected '49.0000000', error '0.0000000'

Test #17:

score: 0

Accepted

time: 0ms

memory: 3896kb

input:

output:

1.88888888889

result:

ok found '1.8888889', expected '1.8888889', error '0.0000000'

Test #18:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

output:

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #19:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

output:

2.11111111111

result:

ok found '2.1111111', expected '2.1111111', error '0.0000000'

Test #20:

score: 0

Accepted

time: 0ms

memory: 3852kb

input:

output:

2.22222222222

result:

ok found '2.2222222', expected '2.2222222', error '0.0000000'

Test #21:

score: 0

Accepted

time: 0ms

memory: 3856kb

input:

output:

2.33333333333

result:

ok found '2.3333333', expected '2.3333333', error '0.0000000'

Test #22:

score: 0

Accepted

time: 0ms

memory: 3852kb

input:

output:

2.44444444444

result:

ok found '2.4444444', expected '2.4444444', error '0.0000000'

Test #23:

score: 0

Accepted

time: 0ms

memory: 3848kb

input:

output:

2.55555555556

result:

ok found '2.5555556', expected '2.5555556', error '0.0000000'

Test #24:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

output:

2.66666666667

result:

ok found '2.6666667', expected '2.6666667', error '0.0000000'

Test #25:

score: 0

Accepted

time: 0ms

memory: 3836kb

input:

output:

2.77777777778

result:

ok found '2.7777778', expected '2.7777778', error '0.0000000'

Test #26:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

output:

2.16666666667

result:

ok found '2.1666667', expected '2.1666667', error '0.0000000'

Test #27:

score: 0

Accepted

time: 0ms

memory: 3904kb

input:

output:

2.25

result:

ok found '2.2500000', expected '2.2500000', error '0.0000000'

Test #28:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

output:

2.33333333333

result:

ok found '2.3333333', expected '2.3333333', error '0.0000000'

Test #29:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

output:

2.41666666667

result:

ok found '2.4166667', expected '2.4166667', error '0.0000000'

Test #30:

score: 0

Accepted

time: 93ms

memory: 3860kb

input:

1000 1000
76 36 68 77 44 98 72 7 5 72 74 71 28 32 74 89 3 95 68 93 64 23 40 2 8 20 59 80 92 24 45 12 76 16 83 71 75 65 81 61 27 37 92 42 87 0 2 47 23 52 71 95 43 67 92 74 60 46 59 6 41 56 23 53 78 61 51 68 68 36 28 35 69 62 92 94 96 62 5 18 67 70 39 4 30 83 44 85 58 79 35 50 15 64 27 60 36 12 60 30 ...

output:

49.949113

result:

ok found '49.9491130', expected '49.9491130', error '0.0000000'

Test #31:

score: 0

Accepted

time: 17ms

memory: 3864kb

input:

295 617
68 77 44 98 72 7 5 72 74 71 28 32 74 89 3 95 68 93 64 23 40 2 8 20 59 80 92 24 45 12 76 16 83 71 75 65 81 61 27 37 92 42 87 0 2 47 23 52 71 95 43 67 92 74 60 46 59 6 41 56 23 53 78 61 51 68 68 36 28 35 69 62 92 94 96 62 5 18 67 70 39 4 30 83 44 85 58 79 35 50 15 64 27 60 36 12 60 30 41 14 27...

output:

49.9230612862

result:

ok found '49.9230613', expected '49.9230613', error '0.0000000'

Test #32:

score: 0

Accepted

time: 3ms

memory: 3864kb

input:

969 30
16 99 27 95 88 69 30 22 38 18 89 62 29 76 34 16 20 93 82 43 11 30 51 61 57 91 89 54 67 51
99 20 76 62 34 44 20 66 31 40 23 46 61 28 78 67 63 98 92 55 0 35 73 88 15 4 45 9 35 91
13 10 38 67 36 93 84 22 25 73 39 89 100 29 19 14 63 2 88 21 50 18 48 95 93 17 41 90 13 5
3 50 13 77 54 57 60 11 58 4...

output:

50.0675954592

result:

ok found '50.0675955', expected '50.0675955', error '0.0000000'

Test #33:

score: 0

Accepted

time: 2ms

memory: 3800kb

input:

91 198
46 36 75 94 74 52 20 93 1 9 9 15 40 31 96 17 20 27 99 10 10 22 9 8 41 10 82 13 5 30 60 81 82 22 15 69 54 33 29 77 75 24 68 42 87 5 88 63 1 43 54 99 50 43 9 38 56 87 17 91 41 93 72 44 58 90 29 42 22 62 44 36 83 67 29 17 31 5 34 15 28 39 86 76 30 81 17 20 48 29 15 76 33 67 33 87 59 5 54 76 25 3...

output:

50.1704961705

result:

ok found '50.1704962', expected '50.1704962', error '0.0000000'

Test #34:

score: 0

Accepted

time: 66ms

memory: 3956kb

input:

864 820
54 15 97 27 71 2 11 71 32 50 36 42 80 98 1 42 2 23 40 1 100 35 72 71 34 19 53 73 33 89 78 97 11 3 78 88 64 32 0 5 20 18 99 49 57 47 15 45 36 75 97 65 9 98 20 74 66 86 56 0 79 68 89 13 61 76 3 32 13 9 25 94 65 63 17 6 96 10 54 43 86 29 77 18 72 86 61 99 41 79 97 23 0 43 43 50 25 39 11 85 54 6...

output:

49.9491446477

result:

ok found '49.9491446', expected '49.9491446', error '0.0000000'

Test #35:

score: 0

Accepted

time: 3ms

memory: 3856kb

input:

438 75
97 86 72 15 26 43 35 23 71 27 35 31 61 68 81 16 40 77 80 37 13 25 62 4 94 3 54 28 39 0 16 25 5 71 54 62 53 38 15 97 88 73 52 87 47 54 66 16 98 6 57 34 44 90 17 88 32 58 85 4 6 53 7 91 82 17 84 2 64 72 30 40 20 31 23
35 29 0 89 28 21 65 79 66 0 26 49 50 70 14 56 88 78 57 47 78 86 81 34 87 94 3...

output:

49.861674277

result:

ok found '49.8616743', expected '49.8616743', error '0.0000000'

Test #36:

score: 0

Accepted

time: 18ms

memory: 3904kb

input:

996 189
29 72 39 97 95 58 42 27 43 16 8 53 5 6 43 10 22 52 71 93 91 47 68 27 78 34 67 93 73 85 95 67 35 86 81 80 90 70 16 42 32 7 95 47 91 35 33 30 1 69 17 49 8 90 46 41 72 62 79 92 33 46 38 48 94 19 59 100 9 0 2 44 81 100 85 30 41 18 94 30 82 71 61 12 32 77 1 8 48 12 27 33 82 7 65 26 88 44 62 46 3 ...

output:

49.9463409192

result:

ok found '49.9463409', expected '49.9463409', error '0.0000000'

Test #37:

score: 0

Accepted

time: 23ms

memory: 3908kb

input:

295 829
47 41 15 1 97 74 65 84 73 87 55 56 65 7 17 17 21 60 23 36 75 93 74 20 53 28 6 48 71 66 31 69 29 52 63 18 68 60 29 60 78 57 13 91 26 15 10 82 80 29 87 60 85 98 77 44 7 16 34 46 42 19 21 51 83 30 70 73 35 37 2 32 30 92 50 32 3 11 8 8 46 66 5 73 70 6 8 41 11 44 65 83 8 78 72 7 28 43 2 72 80 34 ...

output:

49.9395064505

result:

ok found '49.9395065', expected '49.9395065', error '0.0000000'

Test #38:

score: 0

Accepted

time: 16ms

memory: 3964kb

input:

366 459
9 6 7 46 17 59 91 22 58 47 57 29 15 7 12 55 57 90 56 48 14 17 80 24 71 18 33 7 68 14 32 33 22 91 10 13 28 3 73 87 6 81 14 92 6 41 34 79 0 12 79 33 9 80 76 89 82 7 80 53 86 77 25 79 52 1 17 80 36 76 36 53 11 86 88 71 35 76 22 90 25 91 36 27 27 92 55 11 36 92 58 12 77 45 60 64 95 54 97 66 6 36...

output:

49.9873328809

result:

ok found '49.9873329', expected '49.9873329', error '0.0000000'

Test #39:

score: 0

Accepted

time: 23ms

memory: 3900kb

input:

409 604
67 5 74 38 51 30 97 73 88 91 71 11 8 48 5 53 6 15 43 21 100 45 96 40 4 7 55 67 26 22 11 35 51 63 91 24 50 85 18 17 67 77 25 25 25 76 97 39 78 51 72 27 20 52 81 31 39 47 22 13 66 64 39 71 18 95 100 23 10 91 83 53 20 21 52 41 100 69 74 25 39 40 5 67 34 14 3 84 83 8 75 39 42 51 32 75 50 18 35 9...

output:

49.966454282

result:

ok found '49.9664543', expected '49.9664543', error '0.0000000'

Test #40:

score: 0

Accepted

time: 19ms

memory: 3860kb

input:

693 285
67 92 26 75 70 11 64 33 19 58 85 8 62 53 36 11 17 67 88 65 68 46 72 59 47 80 15 87 90 10 92 46 21 61 75 53 78 15 82 99 57 85 47 39 34 39 38 7 54 81 13 100 16 5 34 15 35 35 87 29 51 82 15 62 42 11 23 97 61 34 48 75 88 75 82 6 14 84 97 38 95 2 22 42 10 78 63 30 18 69 19 0 32 71 1 71 84 41 85 7...

output:

50.1247411458

result:

ok found '50.1247411', expected '50.1247411', error '0.0000000'

Test #41:

score: 0

Accepted

time: 0ms

memory: 3904kb

input:

2 2
76 36
68 77

output:

64.25

result:

ok found '64.2500000', expected '64.2500000', error '0.0000000'

Test #42:

score: 0

Accepted

time: 71ms

memory: 3852kb

input:

1000 1000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

output:

result:

ok found '0.0000000', expected '0.0000000', error '-0.0000000'

Test #43:

score: 0

Accepted

time: 98ms

memory: 3888kb

input:

1000 1000
100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 10...

output:

result:

ok found '100.0000000', expected '100.0000000', error '0.0000000'

Test #44:

score: 0

Accepted

time: 0ms

memory: 3960kb

input:

2 2
0 0
0 0

output:

result:

ok found '0.0000000', expected '0.0000000', error '-0.0000000'

Test #45:

score: 0

Accepted

time: 0ms

memory: 3844kb

input:

2 2
100 100
100 100

output:

result:

ok found '100.0000000', expected '100.0000000', error '0.0000000'

Test #46:

score: 0

Accepted

time: 71ms

memory: 3848kb

input:

1000 1000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

output:

1e-06

result:

ok found '0.0000010', expected '0.0000010', error '0.0000000'

Test #47:

score: 0

Accepted

time: 94ms

memory: 3912kb

input:

1000 1000
100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 10...

output:

99.999999

result:

ok found '99.9999990', expected '99.9999990', error '0.0000000'

Extra Test:

score: 0

Extra Test Passed